{
  "certification_changed": false,
  "completed_at": "2026-07-29T08:56:56.860551+00:00",
  "counted_attempt_consumed": false,
  "elapsed_seconds": 6.774,
  "evidence": "/SHiREVault/SHiREAcademy/AutonomousPractice/SpeedCore/Runs/20260729T085649Z-dice-tower-height-feasibility-V1",
  "forge_permission_changed": false,
  "lesson_id": "dice-tower.height-feasibility",
  "lesson_title": "Dice Tower Height Feasibility",
  "network": {
    "filesystem": "cifs",
    "network_verified": true,
    "source": "//192.168.1.1/volume(sda2)[/SHiREVault/SHiREAcademy/AutonomousPractice]",
    "writable": true
  },
  "ok": true,
  "protected_academy_state_unchanged": true,
  "returncode": 0,
  "run_id": "20260729T085649Z-dice-tower-height-feasibility-V1",
  "validation": {
    "artifacts": {
      "step": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/SpeedCore/Runs/20260729T085649Z-dice-tower-height-feasibility-V1/dice_tower_height_feasibility_v1.step",
      "step_sha256": "e4ae78c2ddbf7096bc05575cd67da54fce3e62cf6fed516e477496b4ae9e5f52",
      "stl": "/mnt/shirevault-network/SHiREVault/SHiREAcademy/AutonomousPractice/SpeedCore/Runs/20260729T085649Z-dice-tower-height-feasibility-V1/dice_tower_height_feasibility_v1.stl",
      "stl_sha256": "3db0fdf5ef1b9112033fb098818b7732fa2b38f3c66550aad2b9d48d53e5499f"
    },
    "builder_version": "0.7.1-stage3c.6.1-autonomous-height-proof-fix",
    "checks": {
      "allowlisted_exercise_only": true,
      "draft_only": true,
      "one_valid_final_solid": true,
      "positive_volume": true,
      "safe_bounding_box": true,
      "step_written": true,
      "stl_written": true
    },
    "classification": "AUTONOMOUS_PRACTICE_PASS",
    "exercise_id": "dice-tower.height-feasibility",
    "exercise_title": "Dice Tower Height Feasibility",
    "generated_at": "2026-07-29T08:56:55.807477+00:00",
    "metrics": {
      "bounding_box_mm": {
        "x": 92.0,
        "y": 122.0,
        "z": 248.0
      },
      "solid_count": 1,
      "valid_shape": true,
      "volume_mm3": 380744.8111123197
    },
    "ok": true,
    "safety": {
      "arbitrary_code_allowed": false,
      "certification_changed": false,
      "forge_permission_changed": false,
      "non_load_bearing_only": true,
      "production_release": false,
      "protected_academy_state_modified": false,
      "uncounted_practice_only": true
    },
    "skills_practised": [
      "constraint solving",
      "automatic height adjustment",
      "printer fit",
      "no squeezed geometry"
    ],
    "variant": 1
  },
  "variant": 1
}